diff --git a/composer.json b/composer.json
index 0fe3c7c..167b460 100644
--- a/composer.json
+++ b/composer.json
@@ -44,6 +44,7 @@
         "drupal/ckeditor_markdown": "^1.3",
         "drupal/ckeditorheight": "^1",
         "drupal/classitup": "^1",
+        "drupal/cleantaxonomy": "2.0.x-dev@dev",
         "drupal/coffee": "1.x-dev",
         "drupal/comment_notify": "dev-1.x",
         "drupal/content_lock": "^2.2",